<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Set the texture minification and magnification filters of an imagery layer.">
    <meta name="cesium-sandcastle-labels" content="Beginner, Tutorials, Showcases">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">

<style>
    @import url(../templates/bucket.css);

    #slider {
        position: absolute;
        left: 50%;
        top: 0px;
        background-color: #D3D3D3;
        width: 2px;
        height: 100%;
        z-index: 9999;
    }

    #slider:hover {
        cursor: ew-resize;
    }

</style>

<div id="cesiumContainer" class="fullSize">
    <div id="slider"></div>
</div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>

<script id="cesium_sandcastle_script">

function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer');
viewer.camera.flyTo({destination : new Cesium.Rectangle.fromDegrees(-84, 43, -80, 47)});

var layers = viewer.imageryLayers;
layers.removeAll();

var layerLinear = layers.addImageryProvider(new Cesium.TileMapServiceImageryProvider({
    url : Cesium.buildModuleUrl('Assets/Textures/NaturalEarthII')
}));

var layerNearest = layers.addImageryProvider(new Cesium.TileMapServiceImageryProvider({
    url : Cesium.buildModuleUrl('Assets/Textures/NaturalEarthII')
}));

// Set the texture minification and magnification filters of layerNearest. Default is LINEAR.
layerNearest.minificationFilter = Cesium.TextureMinificationFilter.NEAREST;
layerNearest.magnificationFilter = Cesium.TextureMagnificationFilter.NEAREST;

// The remaining code installs a split layer so the effect of the texture filters becomes apparent.

layerNearest.splitDirection = Cesium.ImagerySplitDirection.RIGHT;

var slider = document.getElementById('slider');
viewer.scene.imagerySplitPosition = (slider.offsetLeft) / slider.parentElement.offsetWidth;

var dragStartX = 0;

document.getElementById('slider').addEventListener('mousedown', mouseDown, false);
window.addEventListener('mouseup', mouseUp, false);

function mouseUp() {
    window.removeEventListener('mousemove', sliderMove, true);
}

function mouseDown(e) {
    var slider = document.getElementById('slider');
    dragStartX = e.clientX - slider.offsetLeft;
    window.addEventListener('mousemove', sliderMove, true);
}

function sliderMove(e) {
    var slider = document.getElementById('slider');
    var splitPosition = (e.clientX - dragStartX) / slider.parentElement.offsetWidth;
    slider.style.left = 100.0 * splitPosition + '%';
    viewer.scene.imagerySplitPosition = splitPosition;
}
//Sandcastle_End

    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>

</body>
</html>
